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Finding the Fourth Proportional to 69,882.10, 104,790.88 and 22,488.37

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Solution

The fourth proportional to 69,882.10, 104,790.88 and 22,488.37 is: 33,722.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,882.10 : 104,790.88 = 22,488.37 : x
  2. Step 2: Convert to fraction form
    69,882.10/104,790.88 = 22,488.37/x
  3. Step 3: Cross multiply
    69,882.10x = 104,790.88 × 22,488.37
  4. Step 4: Simplify right side
    69,882.10x = 2,356,576,082.07
  5. Step 5: Solve for x
    x = 2,356,576,082.07/69,882.10
  6. Step 6: Final answer
    x = 33,722.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.